1. Material: stainless steel + aluminum + copper + iron
2. Use: used for drilling wood, linden seed, bone horn, amber, diamond, olive kernel, walnut plastic and other materials
3. Drill body is forged with aluminum alloy, drop resistant, surface oxidation treatment for many times, beautiful and generous
4. Semi-automatic hand-twisting drill with knurled non-slip handle design, easy to operate and more efficient
5. Double collets, with 2 drill clamps, a total of 4 different collets, high drilling efficiency, large clamping range
6. Semi-automatic drilling design, press the self-rotating, improve drilling efficiency, fast opening, save time and labor, hand-held often
7. Weight: about 42g
8. Size: the main body length of about 19cm, collet length of about 3.4cm
9. Note: delivery only semi-automatic hand-twisting drill (with 2 double collets), does not include the drill bit and other accessories